Noble Threewitt was born on February 24, 1911 in Benton, Illinois, USA. He was married to Beryl Buck. He died on September 17, 2010 in West Covina, California, USA.
Still training racehorses at USA west coast tracks at age
92.
Officially retired on his ninety-sixth birthday after seventy-five years as a Thoroughbred trainer. The city of Arcadia, California, home to Santa Anita Racetrack, declared February 24, 2007 as "Noble Threewitt Day."